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Finding the Third Proportional to 2,878.03 and 5,688.67

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Solution

The third proportional to 2,878.03 and 5,688.67 is: 11,244.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,878.03 : 5,688.67 = 5,688.67 : x
  2. Step 2: Convert to fraction form
    2,878.03/5,688.67 = 5,688.67/x
  3. Step 3: Cross multiply
    2,878.03x = 5,688.67 × 5,688.67
  4. Step 4: Simplify right side
    2,878.03x = 32,360,943.26
  5. Step 5: Solve for x
    x = 32,360,943.26/2,878.03
  6. Step 6: Final answer
    x = 11,244.13

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Why These Related Problems?

These problems maintain the same ratio (1.98) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.